CN217407689U - Cereal flash distillation unit that disinfects - Google Patents

Abstract

A grain flash evaporation sterilization unit belongs to the technical field of sterilization units. The discharge pump of the utility model is fixed at the lower layer of the flash evaporation frame and is positioned below the flash evaporation tank; the condensed water pump is fixed on the lower layer of the flash evaporation frame and is positioned below the condenser; the vacuum pump is fixed on the lower layer of the flash evaporation frame, and the vacuum pipeline is connected with the vacuum pump and the condenser; the purified water cylinder and the purified water pump are arranged behind the lower-layer discharge pump of the flash evaporation frame; the waste water collecting barrel is arranged behind the lower condensed water pump of the flash evaporation frame; a flash steam pipeline at the top of the flash tank is connected with a tangent line of the side wall of the condenser; the top of the flash evaporation tank, the flash evaporation steam pipeline and the condenser are all provided with CIP cleaning pipelines and spray heads; the steam stop valve is vertically arranged behind the flash evaporation frame; the steam pressure reducing valve and the steam filter are both fixed on the side frame of the flash evaporation frame. The utility model discloses a unit contrast is the existing equipment of the same output, has reduced the quantity of recirculated cooling water when saving steam.

Description

Cereal flash distillation unit that disinfects

Technical Field

The utility model relates to a cereal flash distillation unit that disinfects belongs to cereal unit technical field that disinfects.

Background

In the grain deep processing industry, two pulping technologies exist, the first technology is mainly manufactured by Japanese lapping society in 80 years and is imitated by mechanical equipment manufacturers, and products produced by the technology account for over 90 percent of the market proportion. The other cereal pulping unit developed by a factory in Singapore of the Lele company in Sweden enters the Chinese market after 2000 years, and although the performance of the cereal pulping unit has certain superiority, only certain powerful and large-scale transnational companies adopt the cereal pulping unit due to high manufacturing cost.

The domestic flash evaporation sterilization unit technology is old and laggard, the appearance quality is poor, the automation degree is low, the heat utilization rate is low, the performance is low, and the energy consumption is overlarge due to the problems of the equipment structure and the process configuration.

Disclosure of Invention

The utility model aims at solving the problems existing in the prior art and further providing a cereal flash sterilization unit.

The utility model aims at realizing through the following technical scheme:

a cereal flash sterilization unit, comprising: the system comprises a vacuum defoaming cylinder, a rotor pump, a DSI (direct steam injection) sterilizer, a heat-insulating pipe, a flash tank, a discharge pump, a first regulating valve, a first flowmeter, a plate cooler, a purified water cylinder, a purified water pump, a second regulating valve, a second flowmeter, a condenser, a condensed water pump, a slag-washing regulating valve, a slag-washing flowmeter, a pulping regulating valve, a pulping flowmeter, a vacuum pump, a vacuum pipeline, a flash steam pipeline, a wastewater collecting barrel, a steam stop valve, a steam pressure reducing valve, a steam filter, a steam mildew-killing automatic regulating valve, a steam mildew-killing manual regulating valve, a steam heat-exchange automatic regulating valve, a steam-heating plate type heat exchanger, a steam filter drainage system, a steam-heating plate type heat exchanger drainage system, a flash frame and a sterilization frame, wherein the flash frame and the sterilization frame are mutually vertical, and the flash tank and the condenser are both fixed on the upper layer of the flash frame; the discharge pump is fixed on the lower layer of the flash evaporation frame and is positioned below the flash evaporation tank; the condensed water pump is fixed on the lower layer of the flash evaporation frame and is positioned below the condenser; the vacuum pump is fixed on the lower layer of the flash evaporation frame, and the vacuum pipeline is connected with the vacuum pump and the condenser; the purified water tank and the purified water pump are arranged behind the discharge pump at the lower layer of the flash evaporation frame; the regulating valve I, the flowmeter I, the regulating valve II, the flowmeter II, the slag-washing-removing regulating valve, the slag-washing-removing flowmeter, the pulp-removing regulating valve and the pulp-removing flowmeter are all fixed above the pure water cylinder on the front side of the flash evaporation frame; the waste water collecting barrel is arranged behind the lower condensed water pump of the flash evaporation frame; a flash steam pipeline at the top of the flash tank is connected with a tangent line of the side wall of the condenser; the steam stop valve is vertically arranged behind the flash evaporation frame; the steam pressure reducing valve and the steam filter are both fixed on the side frame of the flash evaporation frame; the vacuum defoaming cylinder is arranged on the lower layer on the right side of the sterilizing frame; the rotor pump is positioned on the front surface of the sterilization frame, and a feed inlet of the rotor pump is connected with the bottom of the vacuum defoaming cylinder; the DSI steam direct injection sterilizer is arranged above the rotor pump; the heat preservation pipe is arranged on the top of the upper layer of the sterilization frame; the plate cooler is arranged behind the sterilizing frame; the DSI steam direct injection sterilizer is provided with two steam inlets, one steam inlet is adjusted by a steam mould-killing manual adjusting valve and then enters, and the other steam inlet is adjusted by a steam mould-killing automatic adjusting valve and then enters; the steam heating plate type heat exchanger is arranged in front of the middle plate type cooler on the left side of the bottom layer of the sterilization frame; the steam heat exchange automatic regulating valve is communicated with the steam heating plate type heat exchanger through a steam pipeline; the steam filter drainage system and the steam heating plate type heat exchanger drainage system are arranged on the left side of the bottom of the sterilization frame; the top of the vacuum defoaming cylinder is provided with a vacuum pipeline communicated with one end of a flash steam pipeline, the other end of the flash steam pipeline is communicated with the top of the flash tank, the outlet of a rotor pump is communicated with a DSI steam direct injection sterilizer, one end of a heat preservation pipe is communicated with the DSI steam direct injection sterilizer, the other end of the heat preservation pipe is communicated with the lower part of the flash tank, a discharge pipeline at the bottom of the flash tank is communicated with the inlet of a discharge pump, the outlet of the discharge pump is communicated with a plate cooler through a pipeline, and a first regulating valve and a first flowmeter are connected in series on the pipeline between the discharge pump and the cooler; the purified water tank is communicated with the inlet of the purified water pump through a pipeline, the outlet of the purified water pump is communicated with the condenser through a pipeline, and a second regulating valve and a second flowmeter are connected in series on the pipeline between the purified water pump and the condenser; an inlet of a condensate pump is communicated with the bottom of the condenser, an outlet of the condensate pump is connected with two pipelines which are respectively communicated with the steam heating plate type heat exchanger, one pipeline is connected with a slag removal regulating valve and a slag removal flowmeter in series, the other pipeline is connected with a pulping removal regulating valve and a pulping removal flowmeter in series, a vacuum pump is communicated with the top of the condenser through a vacuum pipeline, and a discharge port of the vacuum pump is connected to a wastewater collecting barrel; a steam stop valve, a steam pressure reducing valve and a steam filter are connected in series on a steam pipeline entering the unit, the steam pipeline behind the steam filter is divided into two paths, a DSI steam direct injection sterilizer is removed from a first path of steam pipeline, an automatic steam sterilization regulating valve and a manual steam sterilization regulating valve are connected in series on the first path of steam pipeline, a second path of steam pipeline is communicated with a steam heating plate type heat exchanger through an automatic steam heat exchange regulating valve and the steam heating plate type heat exchanger, the steam filter is communicated with a steam filter drainage system, the steam filter drainage system is communicated with a wastewater collection barrel, the steam heating plate type heat exchanger is communicated with a steam heating plate type heat exchanger drainage system, and the steam heating plate type heat exchanger drainage system is communicated with the wastewater collection barrel; CIP cleaning pipelines and nozzles are arranged in the flash tank, the condenser and the flash steam pipeline.

The utility model discloses during cereal thick liquid was delivered to the vacuum buffer tank with the pump, thick liquids got into DSI flash sterilizer by the vacuum buffer tank. The heat source of the unit directly sprays saturated steam purified by the metal titanium crystal filter stick to the surface of the material, the material is instantly heated to 130-140 ℃ and kept for 10-20 seconds, then the material enters a vacuum flash evaporator for flash evaporation and deodorization, the material is evaporated and exhausted in a vacuum state, the flash steam carries the peculiar smell of grains to be evaporated and separated out, and the effect that raw material slurry is free of fishy smell is achieved. Waste steam enters the hybrid condenser from an exhaust port at the top of the flash evaporator, and the top of the condenser is provided with a purified water spraying system, so that the waste steam is condensed, and simultaneously, the entering purified water is heated to 80-85 ℃ once, the heat exchange efficiency is improved, the steam consumption required by reheating slag washing water is saved, and the aim of saving energy is fulfilled. And the residual waste steam enters the surface condenser again for condensation and is discharged by a vacuum pump. The material is cooled to 80-85 ℃ in a flash evaporator and discharged by a discharge pump. The discharged material enters a plate cooler (if the material is soybean milk, the soybean milk is quickly cooled to below 15 ℃ in order to ensure that the flavor and the color of the soybean milk reach the optimal state) and is conveyed to a batching process.

The utility model discloses a current equipment of unit contrast same output, steam saving 1T/h, per ton steam is calculated according to 160 yuan, processes 20 hours every day, processes 300 days every year and calculates, and steam 6000T can be practiced thrift to per set of equipment year and 96 ten thousand yuan are created for the manufacturing enterprise more. The consumption of circulating cooling water is reduced while saving steam.

Drawings

Fig. 1 is a schematic structural view (front view) of the cereal flash sterilization unit of the present invention.

Fig. 2 is a left side view of the cereal flash sterilization unit of the present invention.

Fig. 3 is a first perspective view of the cereal flash sterilization unit of the present invention.

Fig. 4 is a second perspective view of the cereal flash sterilization unit of the present invention.

In the figure, the reference numerals, 1 is a vacuum defoaming cylinder, 2 is a rotor pump, 3 is a DSI steam direct injection sterilizer, 4 is a heat preservation pipe, 5 is a flash tank, 6 is a discharge pump, 7 is a first regulating valve, 8 is a first flow meter, 9 is a plate cooler, 10 is a purified water cylinder, 11 is a purified water pump, 12 is a second regulating valve, 13 is a second flow meter, 14 is a condenser, 15 is a condensed water pump, 16 is a slag removal regulating valve, 17 is a slag removal flow meter, 18 is a pulping removal regulating valve, 19 is a pulping removal flow meter, 20 is a vacuum pump, 21 is a vacuum pipeline, 22 is a flash steam pipeline, 23 is a waste water collecting tank, 24 is a steam stop valve, 25 is a steam pressure reducing valve, 26 is a steam filter, 27 is a steam-sterilization automatic regulating valve, 28 is a steam-sterilization manual regulating valve, 29 is a steam heat exchange automatic regulating valve, 30 is a steam-heating plate heat exchanger, and 31 is a steam filter drainage system, 32 is a steam heating plate type heat exchanger drainage system, 33 is a CIP cleaning pipeline and a spray head, 34 is a flash evaporation frame, and 35 is a sterilization frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.

Example 1

As shown in fig. 1 to 4, a cereal flash sterilization unit includes: a vacuum defoaming cylinder 1, a rotor pump 2, a DSI steam direct injection sterilizer 3, a heat preservation pipe 4, a flash evaporation tank 5, a discharge pump 6, a regulating valve I7, a flow meter I8, a plate cooler 9, a purified water cylinder 10, a purified water pump 11, a regulating valve II 12, a flow meter II 13, a condenser 14, a condensed water pump 15, a slag removal regulating valve 16, a slag removal flow meter 17, a pulping removal regulating valve 18, a pulping removal flow meter 19, a vacuum pump 20, a vacuum pipeline 21, a flash evaporation pipeline 22, a wastewater collection barrel 23, a steam stop valve 24, a steam pressure reducing valve 25, a steam filter 26, a steam sterilization automatic regulating valve 27, a steam sterilization manual regulating valve 28, a steam heat exchange automatic regulating valve 29, a steam heating plate type heat exchanger 30, a steam filter drainage system 31, a steam type heat exchanger drainage system 32, a flash evaporation frame 34 and a sterilization frame 35, wherein the flash evaporation frame 34 and the sterilization frame 35 are arranged in parallel, the flash tank 5 and the condenser 14 are both fixed on the upper layer of the flash frame 34; the discharge pump 6 is fixed on the lower layer of the flash evaporation frame 34 and is positioned below the flash evaporation tank 5; the condensed water pump 15 is fixed on the lower layer of the flash evaporation frame 34 and is positioned below the condenser 14; the vacuum pump 20 is fixed at the lower layer of the flash evaporation frame 34, and the vacuum pipeline 21 is connected with the vacuum pump 20 and the condenser 14; the pure water tank 10 and the pure water pump 11 are arranged behind the lower discharging pump 6 of the flash evaporation frame 34; a regulating valve I7 for discharging materials, a flow meter I8, a regulating valve II 12 for purified water inlet, a flow meter II 13, a slag removing regulating valve 16 of a condensed water slag removing section, a slag removing flow meter 17, a pulping removing regulating valve 18 for removing the pulp from the condensed water and a pulping removing flow meter 19 are all fixed above the front pure water cylinder 10 of the flash evaporation frame 34; the waste water collecting barrel 23 is arranged behind the lower condensed water pump 15 of the flash evaporation frame 34; a flash steam pipeline 22 at the top of the flash tank 5 is connected with the side wall tangent line of the condenser 14; the steam stop valve 24 is vertically mounted behind the flash frame 34; the steam pressure reducing valve 25 and the steam filter 26 are fixed on the side frame of the flash evaporation frame 34; the vacuum defoaming cylinder 1 is arranged on the lower layer on the right side of the sterilization frame 35; the rotor pump 2 is positioned on the front surface of the sterilization frame 35, and a feed inlet of the rotor pump 2 is connected with the bottom of the vacuum defoaming cylinder 1; the DSI steam direct injection sterilizer 3 is arranged above the rotor pump 2; the heat preservation pipe 4 is arranged on the top of the upper layer of the sterilization frame 35; the plate cooler 9 is arranged behind the sterilization frame 35 and used for cooling materials; the DSI steam direct injection sterilizer 3 is provided with two steam inlets, one steam inlet is adjusted by a steam mildew-killing manual adjusting valve 28 and then enters, and the other steam inlet is adjusted by a steam mildew-killing automatic adjusting valve 27 and then enters; the steam heating plate type heat exchanger 30 is arranged in front of the middle plate type cooler 9 on the left side of the bottom layer of the sterilization frame 35; the steam heat exchange automatic regulating valve 29 is communicated with the steam heating plate type heat exchanger 30 through a steam pipeline; the steam filter drainage system 31 and the steam heating plate type heat exchanger drainage system 32 are arranged on the left side of the bottom of the sterilization frame 35;

the top of the vacuum defoaming cylinder 1 is provided with a vacuum pipeline communicated with one end of a flash steam pipeline 22, the other end of the flash steam pipeline 22 is communicated with the top of a flash tank 5, an outlet of a rotor pump 2 is communicated with a DSI steam direct injection sterilizer 3, one end of a heat preservation pipe 4 is communicated with the DSI steam direct injection sterilizer 3, the other end of the heat preservation pipe 4 is communicated with the lower part of the flash tank 5, a discharge pipeline at the bottom of the flash tank 5 is communicated with an inlet of a discharge pump 6, an outlet of the discharge pump 6 is communicated with a plate cooler 9 through a pipeline, and a regulating valve I7 and a flow meter I8 are connected in series on the pipeline between the discharge pump 6 and the cooler 9;

the purified water tank 10 is communicated with an inlet of a purified water pump 11 through a pipeline, an outlet of the purified water pump 11 is communicated with a condenser 14 through a pipeline, and a regulating valve II 12 and a flow meter II 13 are connected in series on the pipeline between the purified water pump 11 and the condenser 14; an inlet of a condensate pump 15 is communicated with the bottom of a condenser 14, an outlet of the condensate pump 15 is connected with two pipelines which are respectively communicated with a steam heating plate type heat exchanger 30, one pipeline is connected with a slag-removing regulating valve 16 and a slag-removing flowmeter 17 in series, the other pipeline is connected with a pulp-removing regulating valve 18 and a pulp-removing flowmeter 19 in series, a vacuum pump 20 is communicated with the top of the condenser 14 through a vacuum pipeline 21, and a discharge port of the vacuum pump 20 is connected to a wastewater collecting barrel 23;

a steam stop valve 24, a steam pressure reducing valve 25 and a steam filter 26 are connected in series on a steam pipeline entering the unit, the steam pipeline behind the steam filter 26 is divided into two paths, the first path of steam pipeline is used for removing the DSI steam direct injection sterilizer 3, the first path of steam pipeline is connected with a steam mould-killing automatic regulating valve 27 and a steam mould-killing manual regulating valve 28 in series, the second path of steam pipeline is communicated with a steam heating plate type heat exchanger 30 through a steam heat exchange automatic regulating valve 29 and a steam heating plate type heat exchanger 30, the steam filter 26 is communicated with a steam filter drainage system 31, the steam filter drainage system 31 is communicated with a wastewater collecting barrel 23, the steam heating plate type heat exchanger 30 is communicated with a steam heating plate type heat exchanger drainage system 32, and the steam heating plate type heat exchanger drainage system 32 is communicated with the wastewater collecting barrel 23.

The parts of the materials contacting the equipment are all made of food-grade stainless steel.

Example 2

As shown in fig. 1 and 3, the grain flash evaporation sterilization unit further comprises a CIP cleaning pipeline and a spray nozzle 33, and the CIP cleaning pipeline and the spray nozzle 33 are arranged in the flash evaporation tank 5, the condenser 14 and the flash evaporation pipeline 22. The rest is the same as in example 1.

Working process

Grain slurry trend:

the prepared grain slurry enters a vacuum defoaming cylinder 1 for buffering and defoaming, the vacuum defoaming cylinder 1 is of a closed structure, a vacuum pipeline is arranged at the top of the vacuum defoaming cylinder 1 and connected with a flash steam pipeline 22, a vacuum environment is formed under the working condition of a vacuum pump 20, and the material is conveyed to generate foam and is pumped to be broken by utilizing the vacuum state. The grain slurry is sent into a DSI steam direct injection sterilizer 3 by a rotor pump 2, and high-temperature sterilization is carried out by saturated steam after decompression and filtration. After the sterilization, the high-temperature materials are subjected to heat preservation through the heat preservation pipe 4 and enter the flash tank 5, the flash tank 5 is in a negative pressure state, the high-temperature materials enter a negative pressure environment to form aeration evaporation, and foreign flavor and peculiar smell in the grain slurry can be effectively removed in the evaporation process. The evaporated material enters a discharge pump 6 through a discharge pipeline at the bottom of the flash tank 5, the discharge flow balance can be monitored and adjusted through a regulating valve I7 and a flowmeter I8, and finally the material is cooled through a plate cooler 9 and then is conveyed to the next working section.

The purified water is condensed and heated, and then slag washing trend is as follows:

purified water enters a purified water tank 10 for buffering, the purified water is monitored by a purified water pump 11 through a second regulating valve 12 and a second flowmeter 13 and is regulated in flow rate and sent to a condenser 14 to condense flash steam, self heat exchange is carried out while the flash steam is condensed, the heated purified water enters a condensed water pump 15 from the bottom of the condenser 14 and is sent out in two paths, the flow rate of the first path is regulated by a slag-washing regulating valve 16, the flow rate is monitored through a slag-washing flow meter 17, slag washing in a slag-washing section is sent, the flow rate of the second path is regulated by a pulp-removing regulating valve 18, the flow rate is monitored through a pulp-removing flow meter 19, and the second path is sent to a pulp-making section for pulping water. When the car is lifted, if the temperature rise is slow, the water for washing slag and pulping can be sent out after the temperature rises to the process temperature by the steam heating plate type heat exchanger 30.

Saturated steam trend:

the heat energy required by the operation of the equipment is saturated steam which is sent to the system through a steam pipeline. A steam stop valve 24 is arranged in front of the steam inlet unit and used for opening and closing the input of saturated steam, the steam is decompressed by a steam decompression valve 25 after entering the steam inlet unit, and impurities are filtered by a steam filter 26 and then are supplied to two steam utilization points respectively. The first path goes to DSI steam and directly spouts sterilizer 3, and the required flow of steam is adjusted and controlled by steam mould-killing automatic regulating valve 27 and steam mould-killing manual regulating valve 28, and steam mould-killing automatic regulating valve 27 and the temperature sensing interlock after the sterilization carry out automatic setting and regulation. The second path enters a steam heating plate type heat exchanger 30 through a steam heat exchange automatic regulating valve 29 to exchange heat with the water for washing slag and pulping to reach the required temperature. The condensed water generated by the steam filter 26 is discharged to the wastewater collecting barrel 23 by the steam filter drainage system 31, and the condensed water generated by the steam heating plate type heat exchanger 30 is discharged to the wastewater collecting barrel 23 by the steam heating plate type heat exchanger drainage system 32.

The trend of the vacuum system is as follows:

the vacuum required by the operation in the unit is completed by a vacuum pump 20, so that the vacuum defoaming cylinder 1, the flash evaporation tank 5 and the condenser 14 form a vacuum negative pressure state. The flash evaporation tank 5 is connected with the condenser 14 through a flash evaporation pipeline 22 and enters the condenser 14 in a tangent mode, the top of the condenser 14 is connected with an inlet of a vacuum pump 20 through a vacuum pipeline 21, and an outlet of the vacuum pump 20 is connected to a waste water collecting barrel 23.

CIP cleaning system trend

The equipment needs to be cleaned automatically by CIP after being stopped, and except for cleaning the normal material pipeline flow, the flash tank 5, the condenser 14 and the flash steam pipeline 22 are cleaned independently by the CIP cleaning pipeline and the spray nozzle 33, so that no material residue exists in the equipment.

The above description is only the preferred embodiments of the present invention, and these embodiments are all based on the present invention, and the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (2)

1. A cereal flash sterilization unit, comprising: vacuum defoaming jar (1), rotor pump (2), DSI steam directly spouts sterilizer (3), insulating tube (4), flash tank (5), ejection of compact pump (6), governing valve (7), flowmeter (8), plate cooler (9), pure water jar (10), pure water pump (11), governing valve two (12), flowmeter two (13), condenser (14), condensate pump (15), go wash sediment governing valve (16), go wash sediment flowmeter (17), go slurrying governing valve (18), go slurrying flowmeter (19), vacuum pump (20), vacuum pipeline (21), flash distillation vapour pipeline (22), waste water collecting vessel (23), steam stop valve (24), steam relief valve (25), steam filter (26), steam mould automatic regulating valve (27), steam mould manual regulating valve (28), steam heat transfer automatic regulating valve (29), The system comprises a steam heating plate type heat exchanger (30), a steam filter hydrophobic system (31), a steam heating plate type heat exchanger hydrophobic system (32), a flash evaporation frame (34) and a sterilization frame (35), and is characterized in that the flash evaporation frame (34) and the sterilization frame (35) are mutually vertical, and a flash evaporation tank (5) and a condenser (14) are fixed on the upper layer of the flash evaporation frame (34); the discharge pump (6) is fixed on the lower layer of the flash evaporation frame (34) and is positioned below the flash evaporation tank (5); the condensed water pump (15) is fixed on the lower layer of the flash evaporation frame (34) and is positioned below the condenser (14); the vacuum pump (20) is fixed at the lower layer of the flash evaporation frame (34), and the vacuum pipeline (21) is connected with the vacuum pump (20) and the condenser (14); the purified water tank (10) and the purified water pump (11) are arranged behind the lower discharge pump (6) of the flash evaporation frame (34); the regulating valve I (7), the flowmeter I (8), the regulating valve II (12), the flowmeter II (13), the slag-washing-removing regulating valve (16), the slag-washing-removing flowmeter (17), the pulping-removing regulating valve (18) and the pulping-removing flowmeter (19) are all fixed above the front pure water cylinder (10) of the flash evaporation frame (34); the waste water collecting barrel (23) is arranged behind the lower condensed water pump (15) of the flash evaporation frame (34); a flash steam pipeline (22) at the top of the flash tank (5) is connected with the side wall tangent of the condenser (14); the steam stop valve (24) is positioned behind the flash evaporation frame (34) and is vertically installed; the steam pressure reducing valve (25) and the steam filter (26) are fixed on a side frame of the flash evaporation frame (34); the vacuum defoaming cylinder (1) is arranged on the lower layer on the right side of the sterilization frame (35); the rotor pump (2) is positioned on the front surface of the sterilization frame (35), and a feed inlet of the rotor pump (2) is connected with the bottom of the vacuum defoaming cylinder (1); the DSI steam direct injection sterilizer (3) is arranged above the rotor pump (2); the heat preservation pipe (4) is arranged at the top of the upper layer of the sterilization frame (35); the plate cooler (9) is arranged behind the sterilization frame (35); the DSI steam direct injection sterilizer (3) is provided with two steam inlets, one steam inlet is adjusted by a steam mould-killing manual adjusting valve (28) and then enters, and the other steam inlet is adjusted by a steam mould-killing automatic adjusting valve (27) and then enters; the steam heating plate type heat exchanger (30) is arranged in front of the middle plate type cooler (9) on the left side of the bottom layer of the sterilization frame (35); the steam heat exchange automatic regulating valve (29) is communicated with the steam heating plate type heat exchanger (30) through a steam pipeline; the steam filter hydrophobic system (31) and the steam heating plate type heat exchanger hydrophobic system (32) are arranged on the left side of the bottom of the sterilization frame (35); the top of the vacuum defoaming cylinder (1) is provided with a vacuum pipeline communicated with one end of a flash steam pipeline (22), the other end of the flash steam pipeline (22) is communicated with the top of a flash tank (5), an outlet of a rotor pump (2) is communicated with a DSI steam direct injection sterilizer (3), one end of a heat preservation pipe (4) is communicated with the DSI steam direct injection sterilizer (3), the other end of the heat preservation pipe (4) is communicated with the lower part of the flash tank (5), a discharge pipeline at the bottom of the flash tank (5) is communicated with an inlet of a discharge pump (6), an outlet of the discharge pump (6) is communicated with a plate cooler (9) through a pipeline, and a regulating valve I (7) and a flow meter I (8) are connected in series on the pipeline between the discharge pump (6) and the plate cooler (9); the purified water tank (10) is communicated with the inlet of the purified water pump (11) through a pipeline, the outlet of the purified water pump (11) is communicated with the condenser (14) through a pipeline, and a regulating valve II (12) and a flow meter II (13) are connected in series on the pipeline between the purified water pump (11) and the condenser (14); an inlet of a condensate pump (15) is communicated with the bottom of a condenser (14), an outlet of the condensate pump (15) is connected with two pipelines which are respectively communicated with a steam heating plate type heat exchanger (30), one pipeline is connected with a slag removal regulating valve (16) and a slag removal flowmeter (17) in series, the other pipeline is connected with a pulp removal regulating valve (18) and a pulp removal flowmeter (19) in series, a vacuum pump (20) is communicated with the top of the condenser (14) through a vacuum pipeline (21), and a discharge port of the vacuum pump (20) is connected to a wastewater collection barrel (23); a steam stop valve (24) is connected in series on a steam pipeline entering the unit, steam relief pressure valve (25) and steam filter (26), the steam conduit behind steam filter (26) is divided into two the tunnel, the first steam conduit goes to DSI steam and directly spouts sterilizer (3), it moulds automatic regulating valve (27) and steam to go to connect in series on the first steam conduit and moulds manual control valve (28) to go, the second steam conduit is linked together with steam heating plate heat exchanger (30) through steam heat transfer automatic regulating valve (29) and steam heating plate heat exchanger (30), steam filter (26) are linked together with steam filter hydrophobic system (31), steam filter hydrophobic system (31) are linked together with waste water collecting vessel (23), steam heating plate heat exchanger (30) are linked together with steam heating plate heat exchanger hydrophobic system (32), steam heating plate heat exchanger hydrophobic system (32) are linked together with waste water collecting vessel (23).

2. The cereal flash sterilization unit according to claim 1, further comprising a CIP cleaning pipeline and a spray nozzle (33), wherein the CIP cleaning pipeline and the spray nozzle (33) are arranged in the flash tank (5), the condenser (14) and the flash steam pipeline (22).

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